#331F77#331F77

#331F77 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.6% C 0.141 H 286.1°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#331F77
RGB	rgb(51, 31, 119)
HSL	hsl(254, 59%, 29%)
HSV	hsv(254, 74%, 47%)
CMYK	cmyk(57.1%, 73.9%, 0%, 53.3%)
CIE-LAB	lab(20.11, 33.99, -47.02)
CIE-LCH	lch(20.11, 58.02, 305.86°)
OKLab	oklab(32.61% 0.039 -0.1352)
OKLCH	oklch(32.61% 0.141 286.1)
XYZ	xyz(5.1840, 3.0154, 17.7581)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F77 #63771F

analogous

#1F3777 #331F77 #5F1F77

triadic

#331F77 #77331F #1F7733

tetradic

#331F77 #771F37 #63771F #1F775F

square

#331F77 #771F37 #63771F #1F775F

split-complementary

#331F77 #775F1F #37771F

monochromatic

#0A0618 #1E1246 #331F77 #482CA8 #6243CE

Accessibility & contrast

On white

13.10

#331F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#331F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F77

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F77	#FFFFFF	#000000	##FFFFFF
##331F77	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337A

Deuteranopia (green-blind)

#002E75

Tritanopia (blue-blind)

#153648

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331f77;
/* rgb */ color: rgb(51, 31, 119);
/* oklch */ color: oklch(32.6% 0.141 286.1);

Tailwind

colors: {
  custom: {
    50: '#735d9f',
    500: '#331f77',
    950: '#000000',
  },
}

SCSS

$custom: #331f77;
$custom-light: #735d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#331f77",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 119
  },
  "hsl": {
    "h": 253.636,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32614,
    "c": 0.14074,
    "h": 286.1
  },
  "luminance": 0.03016
}

Semantic roles & 50–950 ramp

primary

#331F77

secondary

#94AB47

accent

#E246BE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331F77

Body copy rendered with the generated semantic roles for this colour.

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